The 20 Best Vitamin B12 Deficiency Doctors Near Me in Southbury, CT

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 76 doctor with experience in Vitamin B12 Deficiency near Southbury, CT. Of these, 71 are Experienced and 5 are Advanced.

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76 providers found
    Experienced in Vitamin B12 Deficiency
    Physician Assistant
    Experienced in Vitamin B12 Deficiency
    Physician Assistant

    Southbury Internal Medicine

    385 Main St S, Ste 301, 
    Southbury, CT 
     (0.7 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English
    Accepting New Patients

    Gina Rupert is a Physician Assistant practicing medicine in Southbury, Connecticut. She has been practicing medicine for over 21 years. Ms. Rupert is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency. Ms. Rupert is board certified in National Commission On Certification Of Physician Assistants, Physician Assistant. Ms. Rupert is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Southbury Internal Medicine

    385 Main St S, Ste 301, 
    Southbury, CT 
     (0.7 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English
    Accepting New Patients

    Carolyn O'connor is a primary care provider, practicing in Internal Medicine in Southbury, Connecticut. She has been practicing medicine for over 30 years. Dr. O'connor is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, High Cholesterol, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. O'connor is board certified in American Board Of Internal Medicine. Dr. O'connor is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Sudipta & Bindu Dey MD INC

    127 Pines Bridge Road, 
    Beacon Falls, CT 
     (7.8 miles away)
    Languages Spoken:
    English

    Sudipta Dey is a primary care provider, practicing in Internal Medicine in Beacon Falls, Connecticut. Dr. Dey is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Hypothyroidism, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner

    McDiagnostic Of Connecticut PC #1123

    22 Depot Hill Rd, 
    Southbury, CT 
     (0.3 miles away)
    Languages Spoken:
    English

    Linda Sapio is a Nurse Practitioner practicing medicine in Southbury, Connecticut. Ms. Sapio is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency.

    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner

    McDiagnostic Of Connecticut PC #1123

    22 Depot Hill Rd, 
    Southbury, CT 
     (0.3 miles away)
    Languages Spoken:
    English

    Jenelle Digianvittorio is a Nurse Practitioner practicing medicine in Southbury, Connecticut. Ms. Digianvittorio is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Nuvance Southbury Primary Care

    22 Old Waterbury Rd Ste 108, 
    Southbury, CT 
     (0.9 miles away)
    Languages Spoken:
    English

    Yvette Fernandez is a primary care provider, practicing in Geriatrics in Southbury, Connecticut. Dr. Fernandez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Dementia, Alzheimer's Disease, Vascular Dementia, and Movement Disorders.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Neurosurgery Orthopaedics & Spine Specialists P.C.

    690 Main St S, 
    Southbury, CT 
     (1.3 miles away)
    Languages Spoken:
    English

    Elise Romanik is a primary care provider, practicing in Internal Medicine in Southbury, Connecticut. Dr. Romanik is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Xanthoma, Familial Combined Hyperlipidemia, Cirrhosis, and High Cholesterol.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    MDVIP - Newtown, CT

    153 S Main St, 
    Newtown, CT 
     (7.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jeffrey Friedman is a primary care provider, practicing in Internal Medicine in Newtown, Connecticut. Dr. Friedman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Hypertensive Heart Disease, Enlarged Liver, Peptic Ulcer, and Pediatric Myocarditis. Dr. Friedman is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Naugatuck Internal Medicine

    58 Maple St, 2nd Fl Ste 400, 
    Naugatuck, CT 
     (8.3 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Annie Ong is a primary care provider, practicing in Internal Medicine in Naugatuck, Connecticut. She has been practicing medicine for over 23 years. Dr. Ong is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Vitamin B12 Deficiency, Vitamin D Deficiency, Childhood Iron Deficiency Anemia, and Iron Deficiency Anemia. Dr. Ong is board certified in American Board Of Internal Medicine. Dr. Ong is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Sudipta & Bindu Dey MD INC

    127 Pines Bridge Road, 
    Beacon Falls, CT 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Bindu Dey is a primary care provider, practicing in Internal Medicine in Beacon Falls, Connecticut. Dr. Dey is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 33 other conditions, according to our data. Her clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Alliance Medical Group PC

    1625 Straits Turnpike, 
    Middlebury, CT 
     (8.1 miles away)
    Experience:
    42+ years
    Languages Spoken:
    English
    Accepting New Patients

    Leonardi Koliani is a primary care provider, practicing in Internal Medicine in Middlebury, Connecticut. He has been practicing medicine for over 42 years. Dr. Koliani is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Cellulitis, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension. Dr. Koliani is board certified in American Board Of Internal Medicine, Internal Medicine, Sleep Medicine. Dr. Koliani is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology | Internal Medicine

    Trinity Health Of New England Medical Group – Oncology Center

    1075 Chase Pkwy, Ste A, 
    Waterbury, CT 
     (8.1 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Accepting New Patients

    Consuelito Medrano is an Oncologist and an Internal Medicine provider practicing medicine in Waterbury, Connecticut. She has been practicing medicine for over 24 years. Dr. Medrano is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 42 other conditions, according to our data. Her clinical expertise encompasses Lung Cancer, Paget Disease of the Breast, Pleuropulmonary Blastoma, and Inflammatory Breast Cancer. Dr. Medrano is board certified in American Board Of Internal Medicine, Medical Oncology , American Board Of Internal Medicine, Hematology , and American Board Of Internal Medicine. Dr. Medrano is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology | Internal Medicine

    Smilow Cancer Center-Waterbury

    1075 Chase Pkwy, 
    Waterbury, CT 
     (8.1 miles away)
    Experience:
    29+ years
    Languages Spoken:
    English
    Accepting New Patients

    Sharynn Hall is an Oncologist and an Internal Medicine provider practicing medicine in Waterbury, Connecticut. She has been practicing medicine for over 29 years. Dr. Hall is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Monoclonal Gammopathy of Undetermined Significance (MGUS), Anemia, and Neuroendocrine Tumor. Dr. Hall is board certified in American Board Of Internal Medicine, Hematology , American Board Of Internal Medicine, Medical Oncology , and American Board Of Internal Medicine. Dr. Hall is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Physician Assistant
    Experienced in Vitamin B12 Deficiency
    Physician Assistant

    Trinity Health Of New England Medical Group – Oncology Center

    1075 Chase Pkwy, Ste A, 
    Waterbury, CT 
     (8.1 miles away)
    Experience:
    7+ years
    Languages Spoken:
    English
    Accepting New Patients

    Alexandria Relihan is a Physician Assistant practicing medicine in Waterbury, Connecticut. She has been practicing medicine for over 7 years. Ms. Relihan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses ALK-Positive Non-Small Cell Lung Cancer, Vitamin B12 Deficiency, and Classical Hodgkin Lymphoma. Ms. Relihan is board certified in National Commission On Certification Of Physician Assistants, Physician Assistant. Ms. Relihan is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology | Internal Medicine

    Trinity Health Of New England Medical Group – Oncology Center

    1075 Chase Pkwy, Ste A, 
    Waterbury, CT 
     (8.1 miles away)
    Experience:
    14+ years
    Languages Spoken:
    English
    Accepting New Patients

    Vadim Zarubin is a Hematologist and an Oncologist practicing medicine in Waterbury, Connecticut. He has been practicing medicine for over 14 years. Dr. Zarubin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Cavernous Sinus Thrombosis, and Pulmonary Embolism. Dr. Zarubin is board certified in American Board Of Internal Medicine, Medical Oncology and American Board Of Internal Medicine. Dr. Zarubin is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Naugatuck Internal Medicine

    58 Maple St, 2nd Fl Ste 400, 
    Naugatuck, CT 
     (8.3 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Yoseli Ventura is a primary care provider, practicing in Internal Medicine in Naugatuck, Connecticut. She has been practicing medicine for over 10 years. Dr. Ventura is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency, Subacute Combined Degeneration, Vitamin D Deficiency, and Stevens-Johnson Syndrome. Dr. Ventura is board certified in American Board Of Internal Medicine. Dr. Ventura is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Physician Assistant | Emergency Medicine
    Experienced in Vitamin B12 Deficiency
    Physician Assistant | Emergency Medicine

    Naugatuck Internal Medicine

    58 Maple St, 2nd Fl Ste 400, 
    Naugatuck, CT 
     (8.3 miles away)
    Experience:
    13+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sara Miceli is a Physician Assistant and an Emergency Medicine provider practicing medicine in Naugatuck, Connecticut. She has been practicing medicine for over 13 years. Ms. Miceli is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin D Deficiency, Eyelid Bump, and Vitamin B12 Deficiency. Ms. Miceli is board certified in National Commission On Certification Of Physician Assistants, Physician Assistant. Ms. Miceli is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine | Community Health Worker | Hospital Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine | Community Health Worker | Hospital Medicine

    Ionut Anton MD

    171 Grandview Ave, Ste 204, 
    Waterbury, CT 
     (9.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ionut Anton is a Community Health Worker specialist and an Internal Medicine provider practicing medicine in Waterbury, Connecticut. Dr. Anton is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Vitamin B12 Deficiency, Carbuncle, and Boils. Dr. Anton is board certified in American Board Of Internal Medicine. Dr. Anton is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Family Medicine | Sleep Medicine | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine | Sleep Medicine | Internal Medicine

    Suhradam Medical Practice LLC

    1177 New Haven Rd, 
    Naugatuck, CT 
     (9.8 miles away)
    Experience:
    20+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Brimal Patel is an Internal Medicine specialist and a Sleep Medicine provider practicing medicine in Naugatuck, Connecticut. He has been practicing medicine for over 20 years. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Insomnia and Vitamin B12 Deficiency. Dr. Patel is board certified in American Board Of Family Medicine, Sleep Medicine and American Board Of Family Medicine. Dr. Patel is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Endocrinology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Endocrinology | Internal Medicine

    Trinity Health Of New England Medical Group - Prospect Endocrinology

    166 Waterbury Rd, Ste 202, 
    Prospect, CT 
     (11.6 miles away)
    Experience:
    32+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Anna Freitag is an Internal Medicine specialist and an Endocrinologist practicing medicine in Prospect, Connecticut. She has been practicing medicine for over 32 years. Dr. Freitag is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 29 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Vitamin D Deficiency, Hyperthyroidism, and Thyroid Storm. Dr. Freitag is board certified in American Board Of Internal Medicine, Endocrinology, Diabetes & Metabolism and American Board Of Internal Medicine, Endocrinology, Diabetes & Metabolism, Diabetes And Metabolism. Dr. Freitag is currently accepting new patients.

    Showing 1-20 of 76

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Southbury, CT?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Vitamin B12 Deficiency doctor near Southbury, CT?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Vitamin B12 Deficiency doctors near Southbury, CT?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Vitamin B12 Deficiency doctors near Southbury, CT?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Vitamin B12 Deficiency doctor near Southbury, CT?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Vitamin B12 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Vitamin B12 Deficiency doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Vitamin B12 Deficiency doctor near Southbury, CT?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Vitamin B12 Deficiency doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Vitamin B12 Deficiency doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Vitamin B12 Deficiency doctors near Southbury, CT?

    Look for the filter feature on the left side of the Vitamin B12 Deficiency doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Vitamin B12 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Vitamin B12 Deficiency doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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